22020121200222 has 96 divisors (see below), whose sum is σ = 49282197120000. Its totient is φ = 7102233762624.

The previous prime is 22020121200221. The next prime is 22020121200223. The reversal of 22020121200222 is 22200212102022.

22020121200222 is a `hidden beast` number, since 2 + 20 + 201 + 21 + 200 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (22020121200221) and next prime (22020121200223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22020121200195 and 22020121200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020121200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26015029 + ... + 26848127.

It is an arithmetic number, because the mean of its divisors is an integer number (513356220000).

Almost surely, 2^{22020121200222} is an apocalyptic number.

22020121200222 is an abundant number, since it is smaller than the sum of its proper divisors (27262075919778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020121200222 is a wasteful number, since it uses less digits than its factorization.

22020121200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833510 (or 833507 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020121200222 its reverse (22200212102022), we get a palindrome (44220333302244).

The spelling of 22020121200222 in words is "twenty-two trillion, twenty billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-two".